Sealey STW903 3/8" Drive Calibrated Micrometer Torque Wrench 3/8" 20Nm - 120Nm

About this tool

The Sealey STW903 is a precision-engineered 3/8" drive micrometer torque wrench designed for accurate fastening in automotive, mechanical and engineering applications. This calibrated torque wrench features a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism, ensuring reliable performance across a torque range of 20-120Nm (14.8-88.6lb.ft). Each wrench is individually tested to ±4% accuracy in accordance with BS EN ISO 6789-1:2017 and supplied with an individually numbered test certificate for complete traceability. The dual-scale display is graduated in both Nm and lb.ft for versatility across different technical specifications and work environments. The aluminium knurled handle provides excellent grip and control during operation, reducing user fatigue during extended use. At 420mm in length, this torque wrench offers an ideal balance between leverage and manoeuvrability for workshop and on-site applications. Ideal for automotive technicians, plant engineers and maintenance professionals who require precise torque settings for critical fastening operations. The wrench is supplied in a protective EVA tray for secure storage and transport, helping to maintain calibration accuracy between uses. Backed by a lifetime guarantee, this professional-grade torque wrench represents a dependable long-term investment for trade users. Features and Benefits: • Flip reverse ratchet mechanism for clockwise and anticlockwise operation • BS EN ISO 6789-1:

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.